215030503115 has 32 divisors (see below), whose sum is σ = 271759838400. Its totient is φ = 163099077120.

The previous prime is 215030503069. The next prime is 215030503147. The reversal of 215030503115 is 511305030512.

It is a happy number.

It is not a de Polignac number, because 215030503115 - 2³² = 210735535819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5402156 + ... + 5441814.

It is an arithmetic number, because the mean of its divisors is an integer number (8492494950).

Almost surely, 2^215030503115 is an apocalyptic number.

215030503115 is a deficient number, since it is larger than the sum of its proper divisors (56729335285).

215030503115 is a wasteful number, since it uses less digits than its factorization.

215030503115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 215030503115 its reverse (511305030512), we get a palindrome (726335533627).

The spelling of 215030503115 in words is "two hundred fifteen billion, thirty million, five hundred three thousand, one hundred fifteen".